FR2715527B1 - Method and device for analysis and synthesis in adaptive sub-bands. - Google Patents

Method and device for analysis and synthesis in adaptive sub-bands.

Info

Publication number
FR2715527B1
FR2715527B1 FR9400633A FR9400633A FR2715527B1 FR 2715527 B1 FR2715527 B1 FR 2715527B1 FR 9400633 A FR9400633 A FR 9400633A FR 9400633 A FR9400633 A FR 9400633A FR 2715527 B1 FR2715527 B1 FR 2715527B1
Authority
FR
France
Prior art keywords
bands
synthesis
analysis
adaptive sub
adaptive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR9400633A
Other languages
French (fr)
Other versions
FR2715527A1 (en
Inventor
Dite Thomson-Csf Socie Societe
Laurent Perdrieau
Michel Pecot
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thomson CSF SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR9400633A priority Critical patent/FR2715527B1/en
Priority to EP95400069A priority patent/EP0664652B1/en
Priority to DE69512099T priority patent/DE69512099T2/en
Priority to US08/375,737 priority patent/US5844610A/en
Publication of FR2715527A1 publication Critical patent/FR2715527A1/en
Application granted granted Critical
Publication of FR2715527B1 publication Critical patent/FR2715527B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/635—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by filter definition or implementation details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/1883—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR9400633A 1994-01-21 1994-01-21 Method and device for analysis and synthesis in adaptive sub-bands. Expired - Fee Related FR2715527B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR9400633A FR2715527B1 (en) 1994-01-21 1994-01-21 Method and device for analysis and synthesis in adaptive sub-bands.
EP95400069A EP0664652B1 (en) 1994-01-21 1995-01-13 Method and apparatus for adaptive subband analysis and synthesis
DE69512099T DE69512099T2 (en) 1994-01-21 1995-01-13 Method and device for adaptive subband analysis and synthesis
US08/375,737 US5844610A (en) 1994-01-21 1995-01-20 Adaptive method and device for sub-band analysis and synthesis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9400633A FR2715527B1 (en) 1994-01-21 1994-01-21 Method and device for analysis and synthesis in adaptive sub-bands.

Publications (2)

Publication Number Publication Date
FR2715527A1 FR2715527A1 (en) 1995-07-28
FR2715527B1 true FR2715527B1 (en) 1996-02-23

Family

ID=9459253

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9400633A Expired - Fee Related FR2715527B1 (en) 1994-01-21 1994-01-21 Method and device for analysis and synthesis in adaptive sub-bands.

Country Status (4)

Country Link
US (1) US5844610A (en)
EP (1) EP0664652B1 (en)
DE (1) DE69512099T2 (en)
FR (1) FR2715527B1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6757326B1 (en) * 1998-12-28 2004-06-29 Motorola, Inc. Method and apparatus for implementing wavelet filters in a digital system
FR2790171A1 (en) * 1999-02-24 2000-08-25 Canon Kk Digital signal transformation method, in which signal is processed by successive samples, such that calculations made on any series do not take into account samples in following series, and any series terminates in low frequency sample
EP1032216A1 (en) * 1999-02-24 2000-08-30 Canon Kabushiki Kaisha Device and method for transforming a digital signal.
FR2790172A1 (en) * 1999-02-24 2000-08-25 Canon Kk Digital signal transformation method, in which signal is processed by successive samples, such that calculations made on any series do not take into account samples in following series, and any series terminates in low frequency sample
FR2790173A1 (en) * 1999-02-24 2000-08-25 Canon Kk DIGITAL SIGNAL TRANSFORMATION DEVICE AND METHOD
FR2790168A1 (en) * 1999-02-24 2000-08-25 Canon Kk Digital signal transformation method, in which signal is processed by successive samples, such that calculations made on any series do not take into account samples in following series, and any series terminates in low frequency sample
FR2796506B1 (en) * 1999-07-13 2001-10-05 Canon Kk METHOD AND DEVICE FOR FILTERING A DIGITAL SIGNAL
EP1604528A2 (en) * 2002-09-17 2005-12-14 Ceperkovic, Vladimir Fast codec with high compression ratio and minimum required resources
SE0301273D0 (en) * 2003-04-30 2003-04-30 Coding Technologies Sweden Ab Advanced processing based on a complex exponential-modulated filter bank and adaptive time signaling methods
FR2887711A1 (en) * 2005-06-23 2006-12-29 Thomson Licensing Sa METHOD OF ENCODING AND HIERARCHICAL DECODING
US8958510B1 (en) * 2010-06-10 2015-02-17 Fredric J. Harris Selectable bandwidth filter
WO2012094751A1 (en) * 2011-01-14 2012-07-19 Ebrisk Video Inc. Adaptive loop filtering using tables of filter sets for video coding

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5122873A (en) * 1987-10-05 1992-06-16 Intel Corporation Method and apparatus for selectively encoding and decoding a digital motion video signal at multiple resolution levels
FR2643531B1 (en) * 1989-02-21 1996-04-26 Thomson Csf INFORMATION COMPRESSION METHOD AND DEVICE FOR COMPATIBLE DECODING OF A FAMILY OF INCREASING RESOLUTIONS TELEVISION SIGNALS
US4969040A (en) * 1989-10-26 1990-11-06 Bell Communications Research, Inc. Apparatus and method for differential sub-band coding of video signals
FR2654887B1 (en) * 1989-11-20 1995-06-16 Thomson Csf METHOD AND DEVICE FOR COMPATIBLE ENCODING AND DECODING TELEVISION IMAGES OF DIFFERENT RESOLUTIONS.
US5218435A (en) * 1991-02-20 1993-06-08 Massachusetts Institute Of Technology Digital advanced television systems
FR2677836B1 (en) * 1991-06-11 1997-08-29 Thomson Csf ENCODER-DECODER UNDER BANDS OF TELEVISION SIGNALS AT DIFFERENT COMPATIBILITY LEVELS.
FR2680924B1 (en) * 1991-09-03 1997-06-06 France Telecom FILTERING METHOD SUITABLE FOR A SIGNAL TRANSFORMED INTO SUB-BANDS, AND CORRESPONDING FILTERING DEVICE.
GB2263373B (en) * 1992-01-09 1995-05-24 Sony Broadcast & Communication Data error concealment
US5469517A (en) * 1992-01-21 1995-11-21 Nec Corporation Motion compensation circuit
CA2088082C (en) * 1992-02-07 1999-01-19 John Hartung Dynamic bit allocation for three-dimensional subband video coding

Also Published As

Publication number Publication date
DE69512099D1 (en) 1999-10-21
DE69512099T2 (en) 2000-03-02
EP0664652A1 (en) 1995-07-26
EP0664652B1 (en) 1999-09-15
US5844610A (en) 1998-12-01
FR2715527A1 (en) 1995-07-28

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Legal Events

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ST Notification of lapse

Effective date: 20110930